The contrast of the photospheric granulation in the centre of the disk at a wavelength of 500 nm has been determined by means of photographs taken during the...
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PublicaciónA new determination of the solar granulation contrast
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NoticiaChile y Argentina, protagonistas en el próximo eclipse de Sol
El 2 de julio se producirá un eclipse total de Sol que solo “tocará tierra” en Chile, Argentina y en la isla de Oeno, un pequeño atolón coralino del Pacífico...
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BlogMICRORRELATOS CÓSMICOS: El maquillaje
Como novedad de 2021, periódicamente publicaremos “Microrrelatos cósmicos”, una nueva categoría dentro de nuestro blog “C/ Vía Láctea, S/N”. Os invitamos a...
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PublicaciónOn the width distribution of penumbral filaments in sunspots
The width distribution of the penumbral filaments is estimated using white light photographs obtained with a vacuum, Newtonian type telescope. Observations were...
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PublicaciónSubmillimeter brightness spike at the solar limb
Submillimeter observations made with a rapid-scanning interferometer during the solar eclipse of June 30, 1973 are reported. Reduction, correction, and plotting...
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PublicaciónThe Canary Islands' astrophysical observatories - A European community project
The development of astrophysical observatories in the Canary Islands by the European community is discussed. Consideration is given to principal astronomical...
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PublicaciónUmbral dots - A case of penetrative convection between sunspot fragments
A study of the observations made on the development and, in some cases, even the decay of 15 large active regions is presented. It is shown that the mature...